# Number of subarrays with sum greater than k

Lets take an array of size n.There 2 n possible subarrays of this array. Lets take the example array of size 4: [1, 2, 3, 4].There are 2 4 sub arrays .. Sub array of the empty set ([]) is the 0 th one (0000).The subarray of , is the second one (0001), the subarray of  is the second one... (0010) and the subarray [1, 2] is the third one. Max Array Sum , is a HackerRank problem from Dynamic Programming subdomain Given a 2D Array, : 1 1 1 0 0 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 We define an hourglass in to be a subset of so what we. neenah homes for. Given an integer array nums and an integer k, return the length of the shortest non-empty subarray of nums with a sum of at least k. If there is no such subarray, return -1. A subarray is a contiguous part of an array. Example 1: Input: nums = , k = 1 Output: 1 Example 2: Input: nums = [1,2], k = 4 Output:-1 Example 3: Input: nums = [2,-1,2. which numbers are greater or lesser. Negative Numbers (−) Positive Numbers (+) (The line continues left and right forever.) A number on the left is less than a number on the right. Examples: 5 is less than 8; −1 is less than 1; −8 is less than −5; A number on the right is greater than a number on the left. Subarray with 0 sum brute force. private pet friendly rentals; capital one developer academy associate salary.

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Base case conditions: If the target sum is zero or less than zero, return 0. If the sum of the array is smaller than the target sum, return -1. If the sum of the array is equal to the target sum, return the length of the array. If the first element in the array is greater than one, return 1. (First element in the array is the smaller subset. Maximize count of non-overlapping subarrays with sum K . Given an array arr[] consisting of N integers and an integer X, the task is to count the maximum number of subsets possible from the given array having. Smallest element of the Subset * Size of the Subset ≥ X. Examples: _Input: _arr[] = {7, 11, 2, 9, 5}, X = 10 Output:_ 2_ _Explanation: _. 1992 f150 freon capacity international 345 vs chevy 350 bmw m57 vacuum pump failure hudspeth county. Find subarrays of an array; kawasaki fx691v problems; things to do near guaranteed rate field; why is life 360 not updating. Given an array and a desired sum (red cells define a subarray with sum equal to ): As we can see, the answer here is four because there are subarrays with a sum equal to . 3. Naive Approach. 3.1. Main Idea. The main idea in this approach is to check for each possible subarray if its sum is equal to , or not. Given an array of positive integers nums and a positive integer target, return the minimal length of a contiguous subarray [nums l, nums l+1, ..., nums r-1, nums r] of which the sum is greater than or equal to target. If there is no such subarray, return 0 instead. Example 1:. "/>. The sum of an array is the sum of its elements. Given an element array of integers, , and an integer, , determine the maximum value of the sum of any of its subarrays modulo .. Input the array size, window size and the array elements. If the array size is greater than the window size, then call the function to find the maximum sum. The idea is to generate all the subarrays of the given array and check whether sum of elements of the subarray is equal to given k . If sum of the subarray elements is equal to given k then increment the value of count used to store the required result. Algorithm. Run outer loop from range[0 to n-1]. If it were 0, we'd be done, but it isn't. Now, we start with the largest subarrays, length 6. We note that the first subarray is the same as the whole array, except for the last element; so, the sum is sum 0 0 minus the last element, which is -3. The sum is -4 - -3 = -1. This is sum 1 0. Dismiss. . The function should find and return the count of total number of continuous subarrays whose sum equals to the number specified by the second argument. It is guaranteed that all the numbers in the array are positive numbers. For example −. If the inputs are −. const arr = [1, 1, 1]; const sum = 2;. Initialise sum to 0. Write a loop that iterates till n. Add current element to sum. If the sum is greater than k. The maximum subarray length is i + 1. Else the maximum subarray length is. Find the index from the previous sums using binary search. The sum that is less than sum - k - 1 is the element index we want.

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Problem Given an array, count the total number of strictly increasing subarrays in it. Sample Input [1, 2, 3, 1] Sample Output 3 Explanation Let's say the endpoints of a strictly increasing subarray are start and end . Then, the subarray arr[start, end+1] will be strictly increasing if the element at end+1 is greater than the element at end . The same thing goes for elements at end+1, end+2. aria-label="Show more">. In this article, we will find out the number of subarrays having a sum less than K using C++. In this problem, we have an array arr [] and an integer K. So now we have to find subarrays that have a sum less than K. Here is the example −. Input : arr [] = {1, 11, 2, 3, 15} K = 10 Output : 4 {1}, {2}, {3} and {2, 3}.

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. Simple Approach: The simple approach to solve this problem is to run two for loops and for every subarray check if it is the maximum sum possible. Follow the below steps to solve the problem. Run a loop for i from 0 to n - 1, where n is the size of the array. Now, we will run a nested loop for j from i to n - 1 and add the value of the. There are as many such arrays as the length of the window. 2nd case : If sum becomes greater than or equal to k, this means we need to subtract starting element from sum so that the sum again becomes less than k. So we adjust the window's left border by incrementing start. We follow the same procedure until end < array size. Implementation: C++. Given an array of integers arr, find the sum of min(b), where b ranges over every (contiguous) subarray of arr. Since the answer may be large, return the answer modulo 109 + 7 . Example 1:. "/> panzer m4 shotgun price near seoul; honda pioneer price; outlook vba macro.

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what are the 66 books of the bible in order. remarkably bright creatures movie. frontier soda alaska. To sum if greater than, you can use the SUMIF function. In the example shown, cell H6 contains this formula: = SUMIF( amount,">1000") where "amount" is a named range for cells D5:D11. This formula sums the amounts in column D when they are greater than 1000. The sum of an array is the sum of its elements. Given an element array of integers, , and an integer, , determine the maximum value of the sum of any of its subarrays modulo .. Input the array size, window size and the array elements. If the array size is greater than the window size, then call the function to find the maximum sum. From the map find number of subarrays previously found having sum equal to currsum-sum. Excluding all those subarrays from current subarray, gives new subarrays having desired sum. So increase count by the number of such subarrays. Note that when currsum is equal to desired sum then also check number of subarrays previously having sum equal to. Step 1: Find sum of first k elements in the input array. Initialize maxSum to the calculated sum and maxSumStartIndex = 0. Step 2: Add next element to the sum and subtract first element from the sum. Check if this sum is greater than previous sum and update maxSum and maxSumStartIndex. Step 3: Keep adding next element to the sum and removing. Approach: The idea is to store the sum of elements of every prefix of the array in a hashmap, i.e, every index stores the sum of elements up to that index hashmap. So to check if there is a subarray with a sum equal to s, check for every index i, and sum up to that index as x.If there is a prefix with a sum equal to x - s, then the subarray with the given sum is found. In this article, we will find out the number of subarrays having a sum less than K using C++. In this problem, we have an array arr [] and an integer K. So now we have to find subarrays that have a sum less than K. Here is the example −. Input : arr [] = {1, 11, 2, 3, 15} K = 10 Output : 4 {1}, {2}, {3} and {2, 3}. This video explains a very important programming interview problem which is to count the number of subarrays in a given array with sum exactly equals to K. T. 2. If the sum_here is less than X then add the element pointed by j to variable sum_here and increment j. 3. If the sum_here is greater than X then decrement sum_here by the value pointed by i and increment i. 4. If the sum_here equals to X then we got the subarray starting with i and ending point is j. 5. If the sum_here is greater than X then decrement sum_here by the value pointed by i and increment i. 4. ... Count subarrays with equal number of 1's and 0's: 221: 317: Minimum swaps required to bring all elements less than or equal to k together: 220: 318: Reverse individual words: 218: 319:.

Problem Statement: Given an array and a sum k, we need to print the length of the longest subarray that sums to k. Examples: Example 1: Input: arr = {7,1,6,0}, k = 7 Output: Length of the longest subarray with sum K is 3 Explanation: 1 + 6 + 0 = 7, it is the longest subarray with sum 7 and length 3.Example 2: Input: arr = {2,3,5,1,9}, k = 10 Output: Length of the longest. 1.2 Smallest Subarray with a given sum (easy) Problem Statement. Given an array of positive numbers and a positive number 'S,' find the length of the smallest contiguous subarray whose sum is greater than or equal to 'S'. Return 0 if no such subarray exists. Example 1:. Max Array Sum , is a HackerRank problem from Dynamic Programming subdomain Given a 2D Array, : 1 1 1 0 0 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 We define an hourglass in to be a subset of so what we. neenah homes for.

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Approach 1: Brute Force. A simple solution could be to traverse all the subarrays and calculate their sum. If the sum is equal to the given required sum, then increment the count of subarrays. Finally, return the count of such subarrays. The algorithm to calculate the required will be:-. Initialize a variable ‘res’ as 0 to store the count. Detailed solution for Subarray with Given Sum - Problem Statement: Subarray with Given Sum Given an array and a sum k, generate the subarray whose elements sum to k. Examples: Example 1: Input: arr = {1, 7, 3, 9}, k = 10 Output: 7 3 Explanation: Of all the subarrays, 7 and 3 sums to 10. Example 2: Input: arr = {2,1,3,4,5,6}, k. If it were 0, we'd be done, but it isn't. Now, we start with the largest subarrays, length 6. We note that the first subarray is the same as the whole array, except for the last element; so, the sum is sum 0 0 minus the last element, which is -3. The sum is -4 - -3 = -1. This is sum 1 0. Dismiss. Problem Given an array, count the total number of strictly increasing subarrays in it. Sample Input [1, 2, 3, 1] Sample Output 3 Explanation Let's say the endpoints of a strictly increasing subarray are start and end . Then, the subarray arr[start, end+1] will be strictly increasing if the element at end+1 is greater than the element at end . The same thing goes for elements at end+1, end+2. From the map find number of subarrays previously found having sum equal to currsum-sum. Excluding all those subarrays from current subarray, gives new subarrays having desired sum. So increase count by the number of such subarrays. Note that when currsum is equal to desired sum then also check number of subarrays previously having sum equal to. 2. If the sum_here is less than X then add the element pointed by j to variable sum_here and increment j. 3. If the sum_here is greater than X then decrement sum_here by the value pointed by i and increment i. 4. If the sum_here equals to X then we got the subarray starting with i and ending point is j. 5. The numbers present from the 1st to 3rd indexes are 2, 4, 7. When we add (2 + 4 + 7) it is 13. ... We run two for loops to make all possible subarrays sum. In the inner loop, we check if the value of the sum is equal to k. ... If the value of sum is greater than k then move the start pointer and also subtract the value present at the start. Lets take an array of size n.There 2 n possible subarrays of this array. Lets take the example array of size 4: [1, 2, 3, 4].There are 2 4 sub arrays .. Sub array of the empty set ([]) is the 0 th one (0000).The subarray of , is the second one (0001), the subarray of  is the second one... (0010) and the subarray [1, 2] is the third one.

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Largest number less than N with digit sum greater than the digit sum of N. 04, Dec 18. Number of subarrays having even product. 24, Feb 21. Count subarrays having product equal to the power of a given Prime Number . 22, Mar 21. Number of subarrays having absolute sum greater than K | Set-2. 03, Jul 19. Numbers less than N which are product of exactly two. Given an array of integers arr and two integers k and threshold. Return the number of sub-arrays of size k and average greater than or equal to threshold. Example 1: Input: arr = [2,2,2,2,5,5,5,8], k = 3, threshold = 4 Output: 3 Explanation: Sub-arrays [2,5,5],[5,5,5] and [5,5,8] have averages 4, 5 and 6 respectively. All other sub-arrays of. tabindex="0" title=Explore this page aria-label="Show more">. The task is to return the number of subarrays having value strictly greate. Problems ... Subarray with given sum. Check for BST. Minimum number of jumps. Kadane's Algorithm ... 3 Explanation: The subarrays having value strictly greater than K are: , [3, 2] and [3, 2, 1]. Thus there are 3 such subarrays. Example 2: Input: N = 4, K = 1 Arr.

Given a positive integer array nums and an integer k, return the number of non-empty subarrays of nums whose score is strictly less than k. A subarray is a contiguous sequence of elements within an array. Example 1: Input: nums = [2,1,4,3,5], k = 10 Output: 6 Explanation: The 6 subarrays having scores less than 10 are: -  with score 2 * 1 = 2. There is no special intuition needed for the brute force solution. We just need to generate all possible subarrays and check the sum . Approach: In order to generate all the subarrays , we need two nested loops. First loop decides the starting index of the subarray. Record the max sum as 0. If current sum is greater than the max sum, assign it to the max sum. If current sum is less than 0, restart summing from the next element. Time complexity: O(n) (linear time complexity) Space complexity: O(1) (constant space complexity) Inverse the "less than / greater than" checks to find the minimum subarray sum. Suppose I have a vector containing n elements. I want to find out the number of previous elements greater than its element at present index i. I want to find A[i] > A[j] && i < j for all elements of the vector. Constraints: 1 <= t <= 1000 1 <= n <= 10^5 1 <= A[i] <=10^5 My code:.

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. Leetcode 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold (09 Apr 2022) Leetcode 1314. Matrix Block Sum (09 Apr 2022) Leetcode 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold (09 Apr 2022) Leetcode 1371. Find the Longest Substring Containing Vowels in Even Counts (09 Apr 2022. A subarray is a contiguous sequence of elements within an array. Example 1: Input: nums = [2,1,4,3,5], k = 10 Output: 6 Explanation: The 6 subarrays having scores less than 10 are: -  with score 2 * 1 = 2. -  with score 1 * 1 = 1. -  with score 4 * 1 = 4. -  with score 3 * 1 = 3. Max Sum of Rectangle No Larger Than K; 365. Water and Jug Problem; 368. Largest Divisible Subset; 371. Sum of Two Integers ... Next Greater Node In Linked List; 1020. Number of Enclaves; 1021. Remove Outermost Parentheses; ... Sum of All Odd Length Subarrays; 1598. Crawler Log Folder; 1599. Maximum Profit of Operating a Centennial Wheel.

If the sum_here is greater than X then decrement sum_here by the value pointed by i and increment i. 4. ... Count subarrays with equal number of 1's and 0's: 221: 317: Minimum swaps required to bring all elements less than or equal to k together: 220: 318: Reverse individual words: 218: 319:. Because there are as many subarrays as the length of the window. If the sum is greater than or equal to K, we need to subtract the starting element from the sum so that it becomes less than K again and increment our start pointer by 1. Keep repeating steps 1 and 2 until we reach the end of the array. ILLUSTRATION:. First note that the answer will always use min(k - n, 0) subarrays with maximal sums. Sof let us find the sum of min(k - n, 0) maximal subarrays, elements that are used in them, and the following min(k, n) subarrays. We can do it using binary search for the border sum, and a data structure similar to Fenwick tree. The idea is to generate all the subarrays of the given array and check whether sum of elements of the subarray is equal to given k . If sum of the subarray elements is equal to given k then increment the value of count used to store the required result. Algorithm. Run outer loop from range[0 to n-1]. PYTHON Program to find the number of subarrays with product less than a value K Naive Approach : Key Idea:First we check for each value if it is less than K.Then we will check for all other subarray multiplications with that value.If it is less than K then we increase counter by 1 else we break as every next product will be even more.

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If a sub-array sums up to k, then the sum at the end of this sub-array will be sumEnd = sumStart + k. That implies: sumStart = sumEnd - k. Suppose, at index 10, sum = 50, and the next 6 numbers are 8,-5,-3,10,15,1. At index 13, sum will be 50 again (the numbers from indexes 11 to 13 add up to 0). Then at index 16, sum = 76. Given an unsorted array of integers, find the number of subarrays having sum exactly equal to a given number k. Examples: Input : arr [] = {10, 2, -2, -20, 10}, k = -10 Output : 3 Subarrays: arr [0...3], arr [1...4], arr [3..4] have sum exactly equal to -10. Lets take an array of size n.There 2 n possible subarrays of this array. Lets take the example array of size 4: [1, 2, 3, 4].There are 2 4 sub arrays .. Sub array of the empty set ([]) is the 0 th one (0000).The subarray of , is the second one (0001), the subarray of  is the second one... (0010) and the subarray [1, 2] is the third one. There are two subarrays whose sum is 2: First from index 0 to 1 i.e. [1, 1], Second from index 1 to 2 i.e. [1, 1] Approach Idea: The main idea is to use a hash map to store the frequency of prefix sums. So, we’ll iterate over the array, finding how many subarrays exist whose sum equals k and ends at the current point on each iteration. If the array size is greater than the window size, then call the function to find the maximum sum. Use the first loop to iterate the k-sized loop to find the window sum and after each complete iteration of the second loop (window sized loop) check for the max sum. Finally, print the maximum sum value with its window size.

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1992 f150 freon capacity international 345 vs chevy 350 bmw m57 vacuum pump failure hudspeth county. Find subarrays of an array; kawasaki fx691v problems; things to do near guaranteed rate field; why is life 360 not updating. The idea is to maintain a window that ends at the current element, and the sum of its elements is less than or equal to the given sum. If the current window's sum becomes more than the given sum at any point of time, then the window is unstable and continue removing elements from the window' left till it becomes stable again. On entering the 'for' loop, check whether the ith element of the input array is zero or not. And if it is a zero then put '-1' at array [i]. Then add the ith element of array to 'sum'. After that check if the 'sum' equals zero or not. If yes then update 'maxlen' with 'i+1'. But if the 'sum' is not equal to '0' then check if the map contains. subarray only uses that part of awhere the elements of the subarray are located. For example, if aleft occupies locations 0 through 10 of a, then only those locations will be a ected when Quicksort is called on input aleft. It is this in-place property that gives Quicksort an. blackhead popping videos 2022; fn fal vs m14; carshield commercial actress julie; stock turnover ratio is. Line 27 checks if the sum of the current subarray is greater than the maximum sum being maintained so far. If yes, it updates the result (line 29)and saves the resultant subarray's starting index. This approach takes O(n 3) time as the subarray sum is calculated in O(1) time for each of n 2 subarrays of an array of size n, and it takes O(n) time to print a subarray.. 2. Hashing. We can also use hashing to find subarrays with the given sum in an array by using a map of lists or a multimap for storing the end index of all subarrays having a given sum. The idea is to traverse the given.

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Output − Count of subarrays with all elements greater than K are − 10 Explanation − Subaarays will be − , , , , [3,4], [4,5], [5,6], [3,4,5], [4,5,6], [3,4,5,6]. Total count=10. The approach used in the below program is as follows We will traverse the array using a for a loop. If the current element is greater than K. Increment count. Last Edit: July 3, 2021 5:34 PM. Read More. Problem: Given an array of n integer numbers, find maximum sum of sub array which has sum less than or equal to K. Solution: class Solution { long findMaxSubarraySum(long arr [], int n, int k) { long right = 0; TreeSet<Long> bst = new TreeSet<> (); bst.add (0L); long ans = Long.MIN_VALUE; for (int i. Max Array Sum , is a HackerRank problem from Dynamic Programming subdomain Given a 2D Array, : 1 1 1 0 0 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 We define an hourglass in to be a subset of so what we. neenah homes for. Simple Approach: The simple approach to solve this problem is to run two for loops and for every subarray check if it is the maximum sum possible. Follow the below steps to solve the problem. Run a loop for i from 0 to n - 1, where n is the size of the array. Now, we will run a nested loop for j from i to n - 1 and add the value of the. Example: maximum element in a window of size k #include <bits/stdc++.h> using namespace std; // A Dequeue (Double ended queue) based method for printing maximum element of // all subarrays of size k void printKMax(int arr[], int n, int k ) { // Create a Double Ended Queue, Qi that will store indexes of array elements // The queue will store indexes of useful elements in every window and. Unlike subsequences, subarrays are required to occupy consecutive positions within the original array. We can solve this problem by using the sliding window technique. The idea is to maintain a window of size k. For every array element, include it in the window and remove the window's leftmost element if the window size is more than k. Also.

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Given an array of real numbers greater than zero in form of strings. Find if there exists a triplet (a,b,c) such that 1 < a+b+c < 2 . Return 1 for true or 0 for false. The horizontal axis is the index k, the number of occurrences. ... the number of meteorites greater than 1 meter diameter that strike Earth in a year; the number of patients arriving in an emergency room between 10 and 11 pm; and ; the number of laser photons hitting a detector in a particular time interval. Assumptions and validity. The Poisson distribution is an appropriate model if the. The first line of each test case contains one integer n ( 1 ≤ n ≤ 10 5 ) — the length of the array a. The second line of each test case contains a string consisting of n decimal digits, where the i -th digit is equal to the value of a i. It is guaranteed that the sum of n over all test cases does not exceed 10 5. Solution 2: Lets say array is arr [] and given sum is X. Iterate over array arr []. If currentSum is less than X then add current element to currentSum. If currentSum is greater than X , it means we need to remove starting elements to make currentSum less than X. If CurrentSum is equal to X, we got the continuous sub array, print it. Approach: The idea is to store the sum of elements of every prefix of the array in a hashmap, i.e, every index stores the sum of elements up to that index hashmap. So to check if there is a subarray with a sum equal to s, check for every index i, and sum up to that index as x.If there is a prefix with a sum equal to x - s, then the subarray with the given sum is found. Learn to code finding the subarray with maximum sum using divide and conquer . Covering algorithms operate by adding tests to the rule that is under construction, always striving to create a rule with maximum accuracy. 1 5 4 8 10 2 6 9 12 11 3 7 1 5 4 8 10 2 6 9 12 11 3 7 Divide : O(1). A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

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A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. aria-label="Show more">. Given an integer array nums and an integer k, return the length of the shortest non-empty subarray of nums with a sum of at least k. If there is no such subarray, return -1. A subarray is a contiguous part of an array. Example 1: Input: nums = , k = 1 Output: 1 Example 2: Input: nums = [1,2], k = 4 Output:-1 Example 3: Input: nums = [2,-1,2. Because there are as many subarrays as the length of the window. If the sum is greater than or equal to K, we need to subtract the starting element from the sum so that it becomes less than K again and increment our start pointer by 1. Keep repeating steps 1 and 2 until we reach the end of the array. ILLUSTRATION:. Learn to code finding the subarray with maximum sum using divide and conquer . Covering algorithms operate by adding tests to the rule that is under construction, always striving to create a rule with maximum accuracy. 1 5 4 8 10 2 6 9 12 11 3 7 1 5 4 8 10 2 6 9 12 11 3 7 Divide : O(1). .

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Largest number less than N with digit sum greater than the digit sum of N. 04, Dec 18. Number of subarrays having even product. 24, Feb 21. Count subarrays having product equal to the power of a given Prime Number . 22, Mar 21. Number of subarrays having absolute sum greater than K | Set-2. 03, Jul 19. Numbers less than N which are product of exactly two. Current minimum and maximum numbers We would like to show you a description here but the site won't allow us Forth Iterations This means the interviewer will pick a problem with a small concise solution (415) 828-4153 [email protected] We can store the maximum subarray sum ending at a particular index in an auxiliary array and then traverse the auxiliary array to find the. Given an array of positive integers nums and a positive integer target, return the minimal length of a contiguous subarray [nums l, nums l+1, ..., nums r-1, nums r] of which the sum is greater than or equal to target. If there is no such subarray, return 0 instead. Example 1:. "/>. Title Description Given an unordered array arr, Where elements can be positive 、 Negativity 、 can 0, Given an integer k. seek arr All subarrays The cumulative sum of is less than or equal to k The longest subarray length of . title The first idea ： Definition dp i For arr i The cumulative sum at the end of the position , find dp i Less than equal to k The maximum of the values of Can. Number of subarrays having sum less than or equal to R - Number of subarrays having sum less than or equal to L-1 For finding required number of subarrays refer this: Subarrays with sum less than k → Reply. Maximum of all subarrays of size k. Method 1 (Simple): Run two loops to generate all subarrays of size k and find maximum and minimum values. Finally, return sum of all maximum and minimum elements. Time taken by this solution is O (n*k). Method 2 (Efficient using Dequeue): The idea is to use Dequeue data structure and sliding window concept. Problem Statement: Given an array and a sum k, we need to print the length of the longest subarray that sums to k. Examples: Example 1: Input: arr = {7,1,6,0}, k = 7 Output: Length of the longest subarray with sum K is 3 Explanation: 1 + 6 + 0 = 7, it is the longest subarray with sum 7 and length 3.Example 2: Input: arr = {2,3,5,1,9}, k = 10 Output: Length of the longest. Medium. Given an array of integers arr and two integers k and threshold, return the number of sub-arrays of size k and average greater than or equal to threshold. Example 1: Input: arr = [2,2,2,2,5,5,5,8], k = 3, threshold = 4 Output: 3 Explanation: Sub-arrays [2,5,5], [5,5,5] and [5,5,8] have averages 4, 5 and 6 respectively. All other sub.